略語大辞典 [Med] 14 ISN isosorbide dinitrate 二硝酸イソソルビド. 医薬品.isosorbide dinitrate; or ISDN or ISD; a drug; a nitrite; e.g. administration of vasopressin, a drug, with ISDN is known to effectively decrease portal pressure; [Med:Chem]. 丸善「略語大辞典」JLogosID : 11879181